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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef CAFFE_COMMON_HPP_</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define CAFFE_COMMON_HPP_</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;boost/shared_ptr.hpp&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;gflags/gflags.h&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;glog/logging.h&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;climits&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;fstream&gt;</span>  <span class="comment">// NOLINT(readability/streams)</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span>  <span class="comment">// NOLINT(readability/streams)</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;set&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span>  <span class="comment">// pair</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &quot;caffe/util/device_alternate.hpp&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">// Convert macro to string</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#define STRINGIFY(m) #m</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#define AS_STRING(m) STRINGIFY(m)</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">// gflags 2.1 issue: namespace google was changed to gflags without warning.</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">// Luckily we will be able to use GFLAGS_GFLAGS_H_ to detect if it is version</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">// 2.1. If yes, we will add a temporary solution to redirect the namespace.</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">// TODO(Yangqing): Once gflags solves the problem in a more elegant way, let&#39;s</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">// remove the following hack.</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#ifndef GFLAGS_GFLAGS_H_</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">namespace </span>gflags = google;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#endif  // GFLAGS_GFLAGS_H_</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">// Disable the copy and assignment operator for a class.</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#define DISABLE_COPY_AND_ASSIGN(classname) \</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">private:\</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">  classname(const classname&amp;);\</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">  classname&amp; operator=(const classname&amp;)</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">// Instantiate a class with float and double specifications.</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#define INSTANTIATE_CLASS(classname) \</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">  char gInstantiationGuard##classname; \</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">  template class classname&lt;float&gt;; \</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">  template class classname&lt;double&gt;</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#define INSTANTIATE_LAYER_GPU_FORWARD(classname) \</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">  template void classname&lt;float&gt;::Forward_gpu( \</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;float&gt;*&gt;&amp; bottom, \</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;float&gt;*&gt;&amp; top); \</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">  template void classname&lt;double&gt;::Forward_gpu( \</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;double&gt;*&gt;&amp; bottom, \</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;double&gt;*&gt;&amp; top);</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#define INSTANTIATE_LAYER_GPU_BACKWARD(classname) \</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">  template void classname&lt;float&gt;::Backward_gpu( \</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;float&gt;*&gt;&amp; top, \</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">      const std::vector&lt;bool&gt;&amp; propagate_down, \</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;float&gt;*&gt;&amp; bottom); \</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">  template void classname&lt;double&gt;::Backward_gpu( \</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;double&gt;*&gt;&amp; top, \</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">      const std::vector&lt;bool&gt;&amp; propagate_down, \</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor">      const std::vector&lt;Blob&lt;double&gt;*&gt;&amp; bottom)</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor">#define INSTANTIATE_LAYER_GPU_FUNCS(classname) \</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor">  INSTANTIATE_LAYER_GPU_FORWARD(classname); \</span></div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor">  INSTANTIATE_LAYER_GPU_BACKWARD(classname)</span></div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">// A simple macro to mark codes that are not implemented, so that when the code</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment">// is executed we will see a fatal log.</span></div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#define NOT_IMPLEMENTED LOG(FATAL) &lt;&lt; &quot;Not Implemented Yet&quot;</span></div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">// See PR #1236</span></div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacecv.html">cv</a> { <span class="keyword">class </span>Mat; }</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacecaffe.html">caffe</a> {</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">// We will use the boost shared_ptr instead of the new C++11 one mainly</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">// because cuda does not work (at least now) well with C++11 features.</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">using</span> boost::shared_ptr;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">// Common functions and classes from std that caffe often uses.</span></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="keyword">using</span> std::fstream;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="keyword">using</span> std::ios;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="keyword">using</span> std::isnan;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="keyword">using</span> std::isinf;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="keyword">using</span> std::iterator;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="keyword">using</span> std::make_pair;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="keyword">using</span> std::map;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="keyword">using</span> std::ostringstream;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="keyword">using</span> std::pair;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="keyword">using</span> std::set;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="keyword">using</span> std::string;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="keyword">using</span> std::stringstream;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="keyword">using</span> std::vector;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment">// A global initialization function that you should call in your main function.</span></div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">// Currently it initializes google flags and google logging.</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keywordtype">void</span> GlobalInit(<span class="keywordtype">int</span>* pargc, <span class="keywordtype">char</span>*** pargv);</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">// A singleton class to hold common caffe stuff, such as the handler that</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment">// caffe is going to use for cublas, curand, etc.</span></div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classcaffe_1_1Caffe.html">  102</a></span>&#160;<span class="keyword">class </span><a class="code" href="classcaffe_1_1Caffe.html">Caffe</a> {</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  ~<a class="code" href="classcaffe_1_1Caffe.html">Caffe</a>();</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <span class="comment">// Thread local context for Caffe. Moved to common.cpp instead of</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  <span class="comment">// including boost/thread.hpp to avoid a boost/NVCC issues (#1009, #1010)</span></div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <span class="comment">// on OSX. Also fails on Linux with CUDA 7.0.18.</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keyword">static</span> <a class="code" href="classcaffe_1_1Caffe.html">Caffe</a>&amp; Get();</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;  <span class="keyword">enum</span> Brew { CPU, GPU };</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  <span class="comment">// This random number generator facade hides boost and CUDA rng</span></div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  <span class="comment">// implementation from one another (for cross-platform compatibility).</span></div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classcaffe_1_1Caffe_1_1RNG.html">  115</a></span>&#160;  <span class="keyword">class </span><a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a> {</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;   <span class="keyword">public</span>:</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>();</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seed);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>(<span class="keyword">const</span> <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>&amp;);</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>&amp;);</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    <span class="keywordtype">void</span>* generator();</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    <span class="keyword">class </span><a class="code" href="classcaffe_1_1Caffe_1_1RNG_1_1Generator.html">Generator</a>;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    shared_ptr&lt;Generator&gt; generator_;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  };</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <span class="comment">// Getters for boost rng, curand, and cublas handles</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>&amp; rng_stream() {</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keywordflow">if</span> (!Get().random_generator_) {</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;      Get().random_generator_.reset(<span class="keyword">new</span> <a class="code" href="classcaffe_1_1Caffe_1_1RNG.html">RNG</a>());</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    }</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keywordflow">return</span> *(Get().random_generator_);</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;  }</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">#ifndef CPU_ONLY</span></div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> cublasHandle_t cublas_handle() { <span class="keywordflow">return</span> Get().cublas_handle_; }</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> curandGenerator_t curand_generator() {</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keywordflow">return</span> Get().curand_generator_;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;  }</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  <span class="comment">// Returns the mode: running on CPU or GPU.</span></div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> Brew mode() { <span class="keywordflow">return</span> Get().mode_; }</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  <span class="comment">// The setters for the variables</span></div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  <span class="comment">// Sets the mode. It is recommended that you don&#39;t change the mode halfway</span></div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  <span class="comment">// into the program since that may cause allocation of pinned memory being</span></div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <span class="comment">// freed in a non-pinned way, which may cause problems - I haven&#39;t verified</span></div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  <span class="comment">// it personally but better to note it here in the header file.</span></div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> set_mode(Brew mode) { Get().mode_ = mode; }</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="comment">// Sets the random seed of both boost and curand</span></div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> set_random_seed(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seed);</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  <span class="comment">// Sets the device. Since we have cublas and curand stuff, set device also</span></div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;  <span class="comment">// requires us to reset those values.</span></div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> SetDevice(<span class="keyword">const</span> <span class="keywordtype">int</span> device_id);</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  <span class="comment">// Prints the current GPU status.</span></div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> DeviceQuery();</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;  <span class="comment">// Check if specified device is available</span></div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> CheckDevice(<span class="keyword">const</span> <span class="keywordtype">int</span> device_id);</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;  <span class="comment">// Search from start_id to the highest possible device ordinal,</span></div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  <span class="comment">// return the ordinal of the first available device.</span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> FindDevice(<span class="keyword">const</span> <span class="keywordtype">int</span> start_id = 0);</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;  <span class="comment">// Parallel training</span></div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">int</span> solver_count() { <span class="keywordflow">return</span> Get().solver_count_; }</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> set_solver_count(<span class="keywordtype">int</span> val) { Get().solver_count_ = val; }</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">int</span> solver_rank() { <span class="keywordflow">return</span> Get().solver_rank_; }</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> set_solver_rank(<span class="keywordtype">int</span> val) { Get().solver_rank_ = val; }</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> multiprocess() { <span class="keywordflow">return</span> Get().multiprocess_; }</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> set_multiprocess(<span class="keywordtype">bool</span> val) { Get().multiprocess_ = val; }</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> root_solver() { <span class="keywordflow">return</span> Get().solver_rank_ == 0; }</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="preprocessor">#ifndef CPU_ONLY</span></div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;  cublasHandle_t cublas_handle_;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  curandGenerator_t curand_generator_;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;  shared_ptr&lt;RNG&gt; random_generator_;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  Brew mode_;</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;  <span class="comment">// Parallel training</span></div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;  <span class="keywordtype">int</span> solver_count_;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;  <span class="keywordtype">int</span> solver_rank_;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;  <span class="keywordtype">bool</span> multiprocess_;</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  <span class="comment">// The private constructor to avoid duplicate instantiation.</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  <a class="code" href="classcaffe_1_1Caffe.html">Caffe</a>();</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;  DISABLE_COPY_AND_ASSIGN(<a class="code" href="classcaffe_1_1Caffe.html">Caffe</a>);</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;};</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;}  <span class="comment">// namespace caffe</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="preprocessor">#endif  // CAFFE_COMMON_HPP_</span></div><div class="ttc" id="namespacecaffe_html"><div class="ttname"><a href="namespacecaffe.html">caffe</a></div><div class="ttdoc">A layer factory that allows one to register layers. During runtime, registered layers can be called b...</div><div class="ttdef"><b>Definition:</b> blob.hpp:14</div></div>
<div class="ttc" id="namespacecv_html"><div class="ttname"><a href="namespacecv.html">cv</a></div><div class="ttdef"><b>Definition:</b> common.hpp:73</div></div>
<div class="ttc" id="classcaffe_1_1Caffe_1_1RNG_html"><div class="ttname"><a href="classcaffe_1_1Caffe_1_1RNG.html">caffe::Caffe::RNG</a></div><div class="ttdef"><b>Definition:</b> common.hpp:115</div></div>
<div class="ttc" id="classcaffe_1_1Caffe_1_1RNG_1_1Generator_html"><div class="ttname"><a href="classcaffe_1_1Caffe_1_1RNG_1_1Generator.html">caffe::Caffe::RNG::Generator</a></div><div class="ttdef"><b>Definition:</b> common.cpp:239</div></div>
<div class="ttc" id="classcaffe_1_1Caffe_html"><div class="ttname"><a href="classcaffe_1_1Caffe.html">caffe::Caffe</a></div><div class="ttdef"><b>Definition:</b> common.hpp:102</div></div>
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